Global Land Product Validation Protocols: An Initiative of the CEOS Working Group on Calibration and Validation to Evaluate Satellite-derived Essential Climate Variables

Pierre C Guillevic, University of Maryland College Park, College Park, MD, United States, Jaime E Nickeson, Sigma Space Corporation, Lanham, MD, United States, Miguel O O Román, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Fernando camacho De Coca, EOLAB, Valencia, Spain, Zhuosen Wang, University of Maryland, College Park, Earth System Science Interdisciplinary Center, College Park, MD, United States and Gabriela Schaepman-Strub, University of Zurich, Department of Evolutionary Biology and Environmental Studies, Zurich, Switzerland